Question: What is Palace of Westminster's architect and heritage designation?
Paraphrase: Tell me the architect and heritage designation of Westminster Palace.
SPARQL (Wikidata): SELECT ?ans_1 ?ans_2 WHERE { wd:Q62408 wdt:P84 ?ans_1 . wd:Q62408 wdt:P1435 ?ans_2 }
Answer: Charles Barry, Grade I listed building